Synopsis:Inspired by a true event, 9 Sep becomes the day of the Katakai Fireworks
Festival. Hana comes home from hospital. She then discovers that her elder
brother Taro has become a hikikomori (social recluse). Taro used to be smart and
gentle but now he even turns his back on her and stays in his room. Hana decides
to get Taro back into society and gets him into the adult meetings for the
Katakai Fireworks Festival.